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Proof step 72 from proof validrefs-putbar-01 (previous step)

is_obj(str, r0, putByteArray(bytes, r, i, st)) ∧ (putByteArray(bytes, r, i, st)[r0 -- _type]) .type ≤ ty, refs0 = [] ∨ (∃ fs. fs ' ∈ instfields((putByteArray(bytes, r, i, st)[r0 -- _type]) .type .class) ∧ is_referencevalue(putByteArray(bytes, r, i, st)[r0 -- fs ']) ∧ refs0 .first = (putByteArray(bytes, r, i, st)[r0 -- fs ']) .refval ∧ validrefs(str, refs0, fs .type, putByteArray(bytes, r, i, st))), okbytearray(r, st), is_valid_ref(str, r0, putByteArray(bytes, r, i, st)), st[r0 -- _type] .type ≤ ty, ∀ i, bytes, ty, r0, str, st, r, refs. # refs < # refs0 → (okbytearray(r, st) ∧ validrefs(str, r0 ' + refs, ty, putByteArray(bytes, r, i, st)) → junkref(str, r0, st) ∨ validrefs(str, r0 ' + refs, ty, st)) ⊦ r0 = jvmref, validrefs(str, r0 ' + refs0, ty, st), junkref(str, r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 71:
okbytearray(r, st), is_obj(str, r0, putByteArray(bytes, r, i, st)), st[r0 -- _type] .type ≤ ty, refs0 = [] ∨ fs ' ∈ instfields(st[r0 -- _type] .type .class) ∧ is_referencevalue(st[r0 -- fs ']) ∧ refs0 .first = st[r0 -- fs '] .refval ∧ validrefs(str, refs0, fs .type, putByteArray(bytes, r, i, st)), ∀ i, bytes, ty, r0, str, st, r, refs. # refs < # refs0 → (okbytearray(r, st) ∧ validrefs(str, r0 ' + refs, ty, putByteArray(bytes, r, i, st)) → junkref(str, r0, st) ∨ validrefs(str, r0 ' + refs, ty, st)) ⊦ r0 = jvmref, validrefs(str, r0 ' + refs0, ty, st), junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (putByteArray(bytes, r, j, st) [r0 -- fs ' ] ) = st[r0 -- fs ']], [CSIMPSEQ : ⊦ is_obj(str, r, st) → is_valid_ref(str, r, st)], [CSIMPSEQ : ⊦ (putByteArray(bytes, r, i, st) [r0 -- _type ] ) = st[r0 -- _type]])]]